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From "Bryan Duxbury (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HBASE-430) Performance: Scanners and getRow return maps with duplicate data
Date Sun, 09 Mar 2008 05:49:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-430?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Duxbury reassigned HBASE-430:
-----------------------------------

    Assignee: Bryan Duxbury

> Performance: Scanners and getRow return maps with duplicate data
> ----------------------------------------------------------------
>
>                 Key: HBASE-430
>                 URL: https://issues.apache.org/jira/browse/HBASE-430
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Bryan Duxbury
>            Assignee: Bryan Duxbury
>            Priority: Minor
>
> Right now, whenever we get back multiple cells worth of data at a time, we do so in a
map of HStoreKey->byte[]. This means that there is a duplicated Text row and long timestamp
at the very least between every cell. This is quite a bit wasted. It also means we have to
do a lot of translation every time. 
> We could create a new Writable that contains just one row, one timestamp, and a map of
Text->byte[].

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